Parsing the marks of an import of the emacs repository moves fast-export to a
crawl. It takes 14 minutes in my setup, after these patches, it takes 1 second.

The important patches are #2 and #3, the rest are niceities.

Felipe Contreras (4):
  fast-{import,export}: use get_sha1_hex() directly
  fast-export: improve speed by skipping blobs
  fast-export: don't parse all the commits
  fast-import: only store commit objects

 builtin/fast-export.c | 17 ++++++++++-------
 fast-import.c         | 19 ++++++++++++-------
 2 files changed, 22 insertions(+), 14 deletions(-)


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